Today we're going to look at what types of microbes exist and what they do. Complete the following in your books:
- Rank the following in order from smallest to largest - E.coli bacterium (Bacteria), amoeba, influenza virus, hepatitis virus, carbon atom.
- Give two ways that microbes can help us:
- Give two different ways that our bodies can defend against microbes:
- Where do viruses need to be to reproduce?
- Choose one of the parasites from this page and explain what problems they cause:
- How is malaria transferred from person to person, and roughly how many people does it kill each year?
- How often can a bacterium divide to form two daughter cells?
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| MRSA bacteria seen through a miscroscope |
- What is MRSA and how can spreading it be prevented?
- Extension - Read this article and explain how the protozoan T.gondii changes behaviour in mice.
- Complete this activity. How do the bacteria enter the body?
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